I was reading the manual for my camera and well they have a rectangular kind of area that they show in viewfinder and those little squares as focus point and how to change those focus points.
But the ...

I am working on project of making low cost standalone single camera recording system.
CCTV Camera with inbuilt SD card storage upto 64GB are available in market. But Harddisk can not be connected to ...

I've been asked to give a 1 hour talk about photography to my local seniors group (ages 55+). While I love what I do and understand it all well, I am not inclined to teaching and don't know where to ...

I regularly come across this term "Dual Pixel CMOS AF" or "APS HD CMOS" when reading about cameras. So what is this CMOS term? What does it describe about the camera? Is it telling something that it ...

Yesterday I was taking some photos with my old phone, the Nokia C3-00. It has a 2 megapixel camera and usually creates images somewhere between 400kb - 800kb in size. Yesterday, though, it produced an ...

Till couple of days ago, there was no problem :(
What could be the reason?
See one shot with it below.
Is there anything I can do, or should it to be repaired?
My camera is Nikon D5100. I bought it ...

I am interested in the progress in AF accuracy in DSLRs and mirrorless cameras. Essentially, I would like a ranking of cameras based on an evaluation of AF accuracy using the center point, under some ...

I have noticed in almost all the smart phones I have used, the faces of people in the corners (either side) tends to skew a bit in all smartphone cameras.
Is it something the lens is not as good as ...

When I look around the questions on this site, I feel everyone can clearly tell what makes a DSLR camera "entry-level". But I have no clue on how to tell.
What makes a camera model "entry" level or ...

I have the cam as mentioned in title but cannot attach and use the cam from computer.
That is i want live feed of what the camera is seeing on the computer screen for clay stop motion animation.
Also ...

I have read when we check the image from viewfinder, we can set the aperture, shutter speed and ISO based on the light coming through the shutter.
But, only when we click the shutter release is the ...

As far as I have read f-stop is a measure of the aperture. This affects the amount of area in the foreground and background which is in focus.
While having a look at the dynamic ranges of cameras I ...

I thought that in order to have a big aperture such as f/2.2 a big amount of light should be able to enter to the sensor and in order to do it, a big lens was needed.
How is it possible that in the ...

I love photography.
To be honest, I've never seriously taken even one photo, but I love it. Looking at other people's work on sites like 500px and other discussions on this site, it really makes me ...

On every conventional digital camera (excluding the models with detachable lenses), there are buttons to zoom in and out with W side and T side.
When you press W, the lens zooms out. The lens zooms ...

I have a beginner photographer and I have spent a lot of time learning the basics (exposures, lenses, focal lengths, crop factor etc). It's all good except I'm not so sure when I need to buy lenses of ...

Which is part of the camera that is responsible for color depth of the images?Is it the property of the image sensor or the image processor of camera? And why do it differ from cameras?How much effect ...

When you are using the viewfinder, whatsoever the aperture value is, the lens will be in widest aperture until DOF-preview button pressed or half-shutter button.But what about the aperture value when ...

Focal length is the only factor that decides whether a lens is described as being normal or wide angle.
Below which focal length are lenses considered to be wide angle? Is this focal length the same ...

As I have known so far, image sensor gets heated when being exposed to light for longer time.
Is there any other reason why an image sensor gets heated? Does heating depends on sensor type (like CCD, ...

I have a Nikon D80 50mm camera with a 52mm Haze filter. I would like to attach some 58mm lenses that I have but not sure which adapters I need. The 58mm lenses have male threads that would attach to ...

I have got a fixed focus, 5 MP camera with 3.3mm focal length (not sure what it means) on my phone. I want to know what's the best way to take pictures with since it's missing auto-focus feature. Is ...

Consider that the camera is in shutter priority and the exposure time is set to bulb mode.
Now the camera doesn't know how long the shutter is going to be open in advance and so how does the camera ...

I was using Nikon digital camera, and recently bought a Canon 550D. I am totally new to SLR.
I am not familiar with SLR terms: Aperture, focal length and ISO, and their relation to one another.
What ...

I find the AF assist light to be distracting at times when I'm trying to take a candid shot without disturbing the human subjects or taking pictures of pets (they hate getting the AF light in their ...

I was doing a test and wanted the shutter to stay open for 15 seconds -- no problem, I have a 15-second exposure setting in my camera. It seemed to stay open for about an extra second, though, so I ...